openbox/menu.c

   1 #include "menu.h"
   2 #include "openbox.h"
   3 #include "render/theme.h"
   4
   5 GHashTable *menu_hash = NULL;
   6
   7 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
   8                          ButtonPressMask | ButtonReleaseMask)
   9
  10 void menu_destroy_hash_key(gpointer data)
  11 {
  12     g_free(data);
  13 }
  14
  15 void menu_free_entries(Menu *menu)
  16 {
  17     GList *it;
  18
  19     for (it = menu->entries; it; it = it->next)
  20         menu_entry_free((MenuEntry *)it->data);
  21
  22     g_list_free(menu->entries);
  23 }
  24
  25 void menu_destroy_hash_value(gpointer data)
  26 {
  27     Menu *del_menu = (Menu *)data;
  28     MenuRenderData *rd = del_menu->render_data;
  29
  30     menu_free_entries(del_menu);
  31
  32     g_free(del_menu->label);
  33     g_free(del_menu->name);
  34
  35     appearance_free(rd->a_title);
  36     XDestroyWindow(ob_display, rd->title);
  37     XDestroyWindow(ob_display, rd->frame);
  38 }
  39
  40 void menu_entry_free(MenuEntry *entry)
  41 {
  42     g_free(entry->label);
  43     g_free(entry->render_data);
  44     action_free(entry->action);
  45 }
  46
  47 void menu_startup()
  48 {
  49     Menu *m;
  50
  51     menu_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
  52                                       menu_destroy_hash_key,
  53                                       menu_destroy_hash_value);
  54     m = menu_new("sex menu", "root", NULL);
  55     menu_add_entry(m, menu_entry_new("foo shit etc bleh",
  56                                      action_from_string("restart")));
  57     menu_add_entry(m, menu_entry_new("more shit",
  58                                      action_from_string("restart")));
  59     menu_add_entry(m, menu_entry_new("",
  60                                      action_from_string("restart")));
  61     menu_add_entry(m, menu_entry_new("and yet more",
  62                                      action_from_string("restart")));
  63 }
  64
  65 void menu_shutdown()
  66 {
  67     g_hash_table_destroy(menu_hash);
  68 }
  69
  70 static Window createWindow(Window parent, unsigned long mask,
  71                            XSetWindowAttributes *attrib)
  72 {
  73     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
  74                          render_depth, InputOutput, render_visual,
  75                          mask, attrib);
  76
  77 }
  78
  79 Menu *menu_new(char *label, char *name, Menu *parent)
  80 {
  81     XSetWindowAttributes attrib;
  82     Menu *self;
  83     MenuRenderData *data;
  84
  85     self = g_new0(Menu, 1);
  86     self->label = g_strdup(label);
  87     self->name = g_strdup(name);
  88     self->parent = parent;
  89
  90     self->entries = NULL;
  91     self->shown = FALSE;
  92     self->invalid = FALSE;
  93     /* default controllers? */
  94
  95     data = g_new(MenuRenderData, 1);
  96
  97     attrib.override_redirect = TRUE;
  98     data->frame = createWindow(ob_root, CWOverrideRedirect, &attrib);
  99     data->title = createWindow(data->frame, 0, &attrib);
 100     data->items = createWindow(data->frame, 0, &attrib);
 101
 102     XSetWindowBorderWidth(ob_display, data->frame, theme_bwidth);
 103     XSetWindowBorderWidth(ob_display, data->title, theme_bwidth);
 104     XSetWindowBorder(ob_display, data->frame, theme_b_color->pixel);
 105     XSetWindowBorder(ob_display, data->title, theme_b_color->pixel);
 106
 107     XMapWindow(ob_display, data->title);
 108     XMapWindow(ob_display, data->items);
 109
 110     data->a_title = appearance_copy(theme_a_menu_title);
 111     data->a_items = appearance_copy(theme_a_menu);
 112
 113     self->render_data = data;
 114
 115     g_hash_table_insert(menu_hash, g_strdup(name), self);
 116     return self;
 117 }
 118
 119 void menu_free(char *name)
 120 {
 121     g_hash_table_remove(menu_hash, name);
 122 }
 123
 124 MenuEntry *menu_entry_new_full(char *label, Action *action,
 125                                MenuEntryRenderType render_type,
 126                                gpointer submenu)
 127 {
 128     MenuEntry *menu_entry = g_new(MenuEntry, 1);
 129
 130     menu_entry->label = g_strdup(label);
 131     menu_entry->render_type = render_type;
 132     menu_entry->action = action;
 133
 134     menu_entry->render_data = NULL;
 135     menu_entry->submenu = submenu;
 136
 137     return menu_entry;
 138 }
 139
 140 void menu_entry_set_submenu(MenuEntry *entry, Menu *submenu)
 141 {
 142     g_assert(entry != NULL);
 143
 144     entry->submenu = submenu;
 145
 146     if(entry->parent != NULL)
 147         entry->parent->invalid = TRUE;
 148 }
 149
 150 void menu_add_entry(Menu *menu, MenuEntry *entry)
 151 {
 152     MenuEntryRenderData *data;
 153     XSetWindowAttributes attrib;
 154
 155     g_assert(menu != NULL && entry != NULL && entry->render_data == NULL);
 156
 157     menu->entries = g_list_append(menu->entries, entry);
 158     entry->parent = menu;
 159
 160     data = g_new(MenuEntryRenderData, 1);
 161     data->item = createWindow(((MenuRenderData*)menu->render_data)->items,
 162                               0, &attrib);
 163     XMapWindow(ob_display, data->item);
 164     data->a_item = appearance_copy(theme_a_menu_item);
 165
 166     entry->render_data = data;
 167
 168     menu->invalid = TRUE;
 169 }
 170
 171 void menu_show(char *name, int x, int y, Client *client)
 172 {
 173     Menu *self;
 174     MenuRenderData *data;
 175     GList *it;
 176     int w = 1;
 177     int items_h;
 178     int item_h = 0, nitems = 0; /* each item, only one is used */
 179     int item_y;
 180     int bullet_w;
 181
 182     self = g_hash_table_lookup(menu_hash, name);
 183     if (!self) {
 184         g_warning("Attempted to show menu '%s' but it does not exist.",
 185                   name);
 186         return;
 187     }
 188
 189     data = self->render_data;
 190
 191     /* set texture data and size them mofos out */
 192     data->a_title->texture[0].data.text.string = self->label;
 193     appearance_minsize(data->a_title, &data->title_min_w, &data->title_h);
 194     data->title_min_w += theme_bevel * 2;
 195     data->title_h += theme_bevel * 2;
 196     w = MAX(w, data->title_min_w);
 197
 198     for (it = self->entries; it; it = it->next) {
 199         MenuEntryRenderData *r = ((MenuEntry*)it->data)->render_data;
 200
 201         r->a_item->texture[0].data.text.string = ((MenuEntry*)it->data)->label;
 202         appearance_minsize(r->a_item, &r->min_w, &item_h);
 203         r->min_w += theme_bevel * 2;
 204         item_h += theme_bevel * 2;
 205         w = MAX(w, r->min_w);
 206         ++nitems;
 207     }
 208     bullet_w = item_h + theme_bevel;
 209     w += 2 * bullet_w;
 210     items_h = item_h * nitems;
 211
 212     /* size appearances */
 213     RECT_SET(data->a_title->area, 0, 0, w, data->title_h);
 214     RECT_SET(data->a_title->texture[0].position, 0, 0, w, data->title_h);
 215     RECT_SET(data->a_items->area, 0, 0, w, items_h);
 216     for (it = self->entries; it; it = it->next) {
 217         MenuEntryRenderData *r = ((MenuEntry*)it->data)->render_data;
 218         RECT_SET(r->a_item->area, 0, 0, w, item_h);
 219         RECT_SET(r->a_item->texture[0].position, bullet_w, 0,
 220                  w - 2 * bullet_w, item_h);
 221     }
 222
 223     /* size windows and paint the suckers */
 224     XMoveResizeWindow(ob_display, data->frame, x, y, w,
 225                       data->title_h + items_h);
 226     XMoveResizeWindow(ob_display, data->title, -theme_bwidth, -theme_bwidth,
 227                       w, data->title_h);
 228     paint(data->title, data->a_title);
 229     XMoveResizeWindow(ob_display, data->items, 0, data->title_h + theme_bwidth,
 230                       w, items_h);
 231     paint(data->items, data->a_items);
 232     for (item_y = 0, it = self->entries; it; item_y += item_h, it = it->next) {
 233         MenuEntryRenderData *r = ((MenuEntry*)it->data)->render_data;
 234         XMoveResizeWindow(ob_display, r->item, 0, item_y, w, item_h);
 235         r->a_item->surface.data.planar.parent = data->a_items;
 236         r->a_item->surface.data.planar.parentx = 0;
 237         r->a_item->surface.data.planar.parenty = item_y;
 238         paint(r->item, r->a_item);
 239     }
 240
 241
 242     XMapWindow(ob_display, data->frame);
 243 }